linux-kernel - [PATCH 2/2] irqchip/imx-irqsteer: Use dev_err

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Message-Id: <1597119905-7341-2-git-send-email-Anson.Huang@nxp.com>
Date:   Tue, 11 Aug 2020 12:25:05 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     tglx@...utronix.de, jason@...edaemon.net, maz@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Linux-imx@....com
Subject: [PATCH 2/2] irqchip/imx-irqsteer: Use dev_err_probe() to simplify error handling

dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 drivers/irqchip/irq-imx-irqsteer.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c
index 290531e..d8c740a 100644
--- a/drivers/irqchip/irq-imx-irqsteer.c
+++ b/drivers/irqchip/irq-imx-irqsteer.c
@@ -158,12 +158,10 @@ static int imx_irqsteer_probe(struct platform_device *pdev)
 	}
 
 	data->ipg_clk = devm_clk_get(&pdev->dev, "ipg");
-	if (IS_ERR(data->ipg_clk)) {
-		ret = PTR_ERR(data->ipg_clk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to get ipg clk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(data->ipg_clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(data->ipg_clk),
+				     "failed to get ipg clk: %ld\n",
+				     PTR_ERR(data->ipg_clk));
 
 	raw_spin_lock_init(&data->lock);
 
-- 
2.7.4